51011010887 has 2 divisors, whose sum is σ = 51011010888. Its totient is φ = 51011010886.

The previous prime is 51011010863. The next prime is 51011010913. The reversal of 51011010887 is 78801011015.

51011010887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51011010887 - 2⁶ = 51011010823 is a prime.

It is a super-3 number, since 3×51011010887³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51011010847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505505443 + 25505505444.

It is an arithmetic number, because the mean of its divisors is an integer number (25505505444).

Almost surely, 2^51011010887 is an apocalyptic number.

51011010887 is a deficient number, since it is larger than the sum of its proper divisors (1).

51011010887 is an equidigital number, since it uses as much as digits as its factorization.

51011010887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 32.

The spelling of 51011010887 in words is "fifty-one billion, eleven million, ten thousand, eight hundred eighty-seven".